<template>
  <div class="goods-list">
    <!-- <router-link class="goods-item" v-for="item in goodsList" :key="item.id" :to="'/home/goodsinfo/'+item.id" tag='div'>
      <img :src="item.img">
      <h1 class="title">{{item.title}}</h1>
      <div class="info">
        <p class="price">
          <span class="now">￥{{item.sell_price}}</span>
          <span class="old">￥{{item.market_price}}</span>
        </p>
        <p class="sale">
          <span>热卖中</span>
          <span>剩{{item.stock_quantity}}件</span>
        </p>
      </div>
    </router-link>-->
    <!-- 在网页中,有两种跳转方式：
        1.使用a标签的形式叫做标签跳转
        2.使用window.location.href的形式，叫做编程式导航
    -->
    <div class="goods-item" v-for="item in goodsList" :key="item.id" @click="goDetail(item.id)">
      <img :src="item.img">
      <h1 class="title">{{item.title}}</h1>
      <div class="info">
        <p class="price">
          <span class="now">￥{{item.sell_price}}</span>
          <span class="old">￥{{item.market_price}}</span>
        </p>
        <p class="sale">
          <span>热卖中</span>
          <span>剩{{item.stock_quantity}}件</span>
        </p>
      </div>
    </div>
    <mt-button type="danger" size="large" @click="getMore">加载更多</mt-button>
  </div>
</template>

<script>
import { Toast } from "mint-ui";
export default {
  data() {
    //data是往自己内部组件，挂载一些私有数据的
    return {
      pageIndex: 1, //分页的页数，默认为1
      goodsList: [] //商品列表
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    getGoodsList() {
      //获取商品列表
      this.$http.get("getGoods/" + this.pageIndex + ".json").then(result => {
        if (result.body.status === 0) {
          //this.goodsList = result.body.message;
          this.goodsList = this.goodsList.concat(result.body.message);
        }
      });
    },
    getMore() {
      //加载更多
      this.pageIndex++;
      if (this.pageIndex < 3) {
        this.getGoodsList();
      } else {
        Toast("没有更多商品了！");
      }
    },
    goDetail(id){//使用js的形式进行路由导航
        //注意：一定要区分this.$route和this.$router这两个对象
        //其中：this.$route是路由【参数对象】，所有路由中的参数，params,query都属于它
        //其中：this.$router是一个路由【导航对象】，用它可以方便的使用JS代码，实现路由的前进、后退、跳转到新的url地址
        //1.最简单的
        //this.$router.push('/home/goodsinfo/'+id);
        //2. 传递对象
        //this.$router.push({path:"/home/goodsinfo/"+id});
        //3. 传递命名的路由
        this.$router.push({name:"goodsinfo",params:{id}});//这里的name需要在前面路由router.js去定义
    }
  }
};
</script>

<style lang="scss" scoped>
.goods-list {
  display: flex;
  flex-wrap: wrap;
  padding: 5px;
  justify-content: space-between;
  .goods-item {
    width: 49%;
    border: 1px solid #ccc;
    box-shadow: 0 0 8px #ccc;
    margin: 3px 0;
    padding: 2px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 270px;
    img {
      width: 100%;
    }
    .title {
      font-size: 14px;
    }
    .info {
      background: #eee;
      p {
        margin: 0;
        padding: 5px;
      }
      .price {
        .now {
          color: red;
          font-weight: bold;
          font-size: 16px;
        }
        .old {
          text-decoration: line-through;
          font-size: 12px;
          margin-left: 10px;
        }
      }
      .sale {
        display: flex;
        justify-content: space-between;
        font-size: 12px;
      }
    }
  }
}
</style>